the minimal flag is back in, and it is assumed users have it disabled for the guide. the flag only controls whether xfce4-icon-theme and dejavu fonts are pulled in, as otherwise things can break unless you're installing your own font packages and icon theme from the get-go. i.e. power users who've done a hundred xfce installs. thanks to ssuominen for the heads-up on IRC

overhaul the xfce guide for all the crazy unannounced changes to the xfce package names, categories, USE flags, and dependencies. i think i managed to cover them all. i also added some recommended apps and utilities.

the xfce team removed xfce4-settings from the dependency lists, so it has to be manually merged if you want to be able to change important stuff. added it into the install instructions, since basically everyone will want this.

removed 4.2 to 4.4 upgrade section. 4.2 has been gone from the tree for months. some parts of it may be relevant in the future in case of a major ABI/API break from some Xfce point release, if so then that's what CVS history is for, right?

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